Home / 480,537.03-720,756.41-125,505.03

Finding the Fourth Proportional to 480,537.03, 720,756.41 and 125,505.03

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Solution

The fourth proportional to 480,537.03, 720,756.41 and 125,505.03 is: 188,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,537.03 : 720,756.41 = 125,505.03 : x
  2. Step 2: Convert to fraction form
    480,537.03/720,756.41 = 125,505.03/x
  3. Step 3: Cross multiply
    480,537.03x = 720,756.41 × 125,505.03
  4. Step 4: Simplify right side
    480,537.03x = 90,458,554,232.22
  5. Step 5: Solve for x
    x = 90,458,554,232.22/480,537.03
  6. Step 6: Final answer
    x = 188,244.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.